<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>

    <style type="text/css">
div{
    border: 1px solid lightseagreen;
}
span{
    border: 1px solid cornflowerblue;
}
    </style>

</head>
<body>

<div>标签1</div>
<div>标签2</div>

<span>标签1</span>
<span>标签2</span>

<p>段落1</p>
<p>段落2</p>

</body>
</html>